package com.xc.stock.utils;

import java.math.BigDecimal;

public class BigDecimalUtil {

    public static BigDecimal add(double v1, double v2) {

        BigDecimal b1 = new BigDecimal(Double.toString(v1));

        BigDecimal b2 = new BigDecimal(Double.toString(v2));

        return b1.add(b2);

    }


    public static BigDecimal sub(double v1, double v2) {

        BigDecimal b1 = new BigDecimal(Double.toString(v1));

        BigDecimal b2 = new BigDecimal(Double.toString(v2));

        return b1.subtract(b2);

    }


    public static BigDecimal mul(double v1, double v2) {

        BigDecimal b1 = new BigDecimal(Double.toString(v1));

        BigDecimal b2 = new BigDecimal(Double.toString(v2));

        return b1.multiply(b2);

    }


    public static BigDecimal div(double v1, double v2) {

        BigDecimal b1 = new BigDecimal(Double.toString(v1));

        BigDecimal b2 = new BigDecimal(Double.toString(v2));

        return b1.divide(b2, 2, 4);

    }


    public static double getTwoNum() {

        double num = Math.random();


        return (new BigDecimal(num)).setScale(2, 4).doubleValue();

    }


    public static void main(String[] args) {
        System.out.println(getTwoNum());
    }

}
